.content{
  width:100%;
  height:auto;
  display: flex;
}

.left{
  width: 20%;
  height: calc(100vh - 230px);
  overflow: hidden;
}


.middle{
  overflow:hidden;
  width: 50%;
  margin: 0 10px;
  height: calc(100vh - 230px);
  :global{
    .card{
      height:100%;
    }
  }
}

.right{
  width: 30%;
  height: calc(100vh - 230px);
  :global{
    .card{
      height:100%;
    }
  }
}